United Internet AG

The Corporate IT Services department is responsible for planning, building, and operating the company's internal IT infrastructure for over 11,000 employees within the United Internet Group. The Linux Application Operations team manages a variety of...

As a member of our Shared Network Infrastructure Team, you will be responsible for the development, implementation, and maintenance of the Shared Network Infrastructure (SNI) network of the IONOS Group. The SNI network provides management network...

Configure and maintain specific software Managing (virtual) servers and storage systems Administration of database systems and maintenance of system documentation Ensuring smooth operation Creating system documentation Contributing to practical projects

Starting in September 2027, we are looking for IT specialists in application development (m/f/d) at our Karlsruhe location. Through a combination of theory and practice, you will learn from professionals what matters in your training profession and will...

Starting in August 2027, we are looking for IT specialists (m/f/d) in the field of Application Development at our Montabaur location. Through a combination of theory and practice, you will learn from professionals what matters in your training...

Starting September 2027, we are looking for IT specialists (m/f/d) in the field of System Integration at our Karlsruhe location. By combining theory and practice, you will learn from professionals what matters in your training profession and will be...

You can expect a balanced combination of challenging operational work and overarching professional design. About half of your time is spent analyzing and handling complex incidents, service requests, and escalations in the digital workplace environment....

Your daily work is the precise response to the ongoing threat landscape: you balance the highly available operation of our scrubbing platforms with the continuous development of our defense strategies. Platform Design: You administer and optimize...

Are you passionate about virtualization, Linux systems, and automation? As a Systems Engineer, you'll help shape a highly available HCI platform that powers one of Europe's largest email services, serving over 42 million users across WEB.DE, GMX, and...

As a vital part of our product development team, your work will significantly influence our application's user experience: Design and Enhance User Journeys: Conceptualize and refine user journeys with a focus on enhanced usability and streamlined,...

As part of our "SAP Finance & Controlling" team, you will support the Finance department through consulting, process design, and customization, e.g., in optimizing bank accounting or period-end closing processes based on SAP standards. You are...

The Software Factory is our in-house developed, multi-tenant AI agent platform for automating the entire software development lifecycle. The fundamental idea: AI agents take over repetitive tasks in coding, testing, refactoring, and documentation, while...

Are you interested in the topic of Platform Engineering and currently looking for a new challenge? Then become part of our team! You develop and operate our Kubernetes platform on a bare-metal infrastructure with over 85,000 CPU cores. You automate and...

In the course of the network rollout, you are responsible for establishing effective coordination among all stakeholders to ensure the expansion of mobile infrastructure. In this key position in Düsseldorf, you will be responsible for: Achievement of...

Are you interested in the topic of Cloud Engineering? Are you motivated to build our private On Premises Kubernetes Cloud platform on Bare Metal servers - with over 85,000 CPU cores - and thus serve more than 42 million users? Would you like to...